//
//  Son.m
//  ReviewDemo
//
//  Created by 龙 on 2018/3/21.
//  Copyright © 2018年 long. All rights reserved.
//

#import "Son.h"

@implementation Son

//objc_requires_super属性表示子类必须调用被修饰的方法super，否则报黄色警告。
//Warning : Method possibly missing a [super eatFood:] call
- (void)eatFood:(NSString *)food
{
    NSString *abc __attribute__((unused)) = @"sgsfdh";
    
    NSLog(@"---- %@",food);
    
    

}

@end
